.text-box {
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  .show-text {
    width: 200px;
    height: 200px;
    border: 1px solid #fff;
    border-radius: 10px;
    text-align: center;
    line-height: 200px;
    font-size: 30px;
    font-weight: bolder;
    color: rgb(
      from var(--bg) calc(255 - r) calc(255 - g) calc(255 - b)
    ); /** 基于背景反转颜色 **/
  }
}
